| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Biesterfeld Spezialchemie GmbH | +49-40 32008 326 | +49-40 32008 696 | Germany | REQUEST |
| BIOZOL Diagnostica Vertrieb GmbH | +49-871-966346-0 | +49-871-966346-13 | Germany | REQUEST |
| Santa Cruz Biotechnology, Inc. | +1 214-902-3910 | USA | REQUEST | |
| Sigma-Aldrich International GmbH | +41 81 755 28 28 | +41 81 755 28 15 | Switzerland | REQUEST |